1. Department of Dermatology and Venereology National Medical University Kiev Ukraine
2. Paediatric Dermatology Discipline Dermatology Research Unit Colentina Clinical Hospital “Carol Davila” University of Medicine and Pharmacy Bucharest Romania
3. National Children's Hospital “Okhmatdyt” Kiev Ukraine
4. Kyiv’ Medical University Kiev Ukraine
5. Department of Dermatology II Colentina Clinical Hospital “Carol Davila” University of Medicine and Pharmacy Bucharest Romania
6. Department of Paediatric Dermatology Colentina Clinical Hospital “Carol Davila” University of Medicine and Pharmacy Bucharest Romania